diff --git a/inc/config.php b/inc/config.php
index d5cfc6d0..abc271d9 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -556,6 +556,11 @@
     // Requires $config['strip_combining_chars'] = true;
     $config['max_combining_chars'] = 0;
 
+    // Maximum OP body length.
+    $config['max_body_op'] = 1800;
+    // Minimum OP body length.
+    $config['min_body_op'] = 0;
+
     // Maximum post body length.
     $config['max_body'] = 1800;
     // Minimum post body length.